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Home » Eye Care Services » Your Eye Health » Vision Surgery » Corneal Inlays and Onlays

Corneal Inlays and Onlays

Corneal inlays and onlays are corneal implants that are used to correct presbyopia, a common condition for individuals over age 40 in which the eyes have difficulty focusing on near objects. Presbyopia occurs as the lens of the eye begins to age and weaken, reducing the ability to focus on close objects without the assistance of reading glasses or another visual aid.

Corneal implants, such as inlays and onlays, offer a treatment solution to correct presbyopia as an alternative to using reading glasses or multifocals to obtain clear vision at a close range. Corneal inlays and onlays are like tiny contact lenses that are inserted into the cornea which reshape it to improve the refractive power and thereby improve near vision. Unlike corrective laser surgery such as PRK or LASIK the actual corneal tissue isn’t touched, but rather the shape of the cornea is changed by the transplanted lens.

Corneal inlays are placed in the stroma, the middle layer of the cornea (thus the name “in-lays”), while onlays are implanted closer to the surface of the cornea, under the epithelium, which is the thin outer layer of the cornea. The procedures for both inlays and outlays are relatively simple and quick, with minimal recovery.

Corneal Inlay and Onlay procedures are still in the early stages of development and with a number of clinical trials in progress, the technology should only improve in coming years.

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Most people between the ages of 40-45 start to have difficulty seeing up close. This is called Presbyopia and slowly progresses until about the age of 65. This is a normal change due to the lens in the eye hardening and losing flexibility.

Vuity is 1.25% pilocarpine. This is not a new drug. It has been on the market for decades and is used to temporarily shrink the pupil size. It is now being rebranded as a drop that can help improve near vision. How does this work? By shrinking the pupil size, physics tells us this can increase our depth of focus. This drop will not CURE presbyopia. It can improve it while the drop is active and the near blur will return when the dose wears off after approximately 4-6 hours. This drop is recommended for individuals ages 40-55.

Dosage: one drop in each eye once per day. Side effects: possible brown ache or a mild headache. The cost at this time is about $80-90 per month at most pharmacies and insurance does not apply.